Question 1 :
The production of offsprings by sexual or asexual process is called as
Question 4 :
The process of propagation of new individual from the existing one is called as
Question 5 :
The motile reproductive structures of algae and fungi, which directly give rise to new individuals are called<br>
Question 12 :
Choose the correct answer among the alternatives given :<br>Whatis the work of copper-T?
Question 13 :
Which of the following birth control methods are associated with the highest pregnancy rates with typical use?
Question 15 :
Creating awareness about sex related aspects is an effective method to improve reproductive health of the people.<br/>
Question 17 :
The cross used to ascertain whether the plant is homozygous or heterozygous is
Question 18 :
For the alleles $A,B,C,D$ where, $A=B>C=D$ the number of phenotypes obtained will be
Question 20 :
If a cross is made between two individuals, each having genotype Bb, two offsprings are obtained. Out of these first has dominant trait. What is the probability that the second offspring will exhibit recessive trait?
Question 22 :
Which one of the following is the complementary sequence for the DNA with $5'$-CGTACTA-$3'$.
Question 23 :
Which of the following is the co-factor for origin of life from pre-RNA?
Question 24 :
What is the length of human DNA containing $6.6\times10^9$ bp nitrogen bases?
Question 26 :
The number of purines in a segment of DNA molecule is 68. What will be the number of pyrimdines in this segment ?
Question 28 :
Choose the correct answer from the alternatives given :<br>Ifthe sequence of nitrogen bases of the coding strand of DNA in a transcriptionunit is: 5 - A T G A AT G - 3, the sequence of bases in its RNA transcriptwould be
Question 29 :
The two strands of double helix of DNA are linked together by hydrogen bonds between
Question 32 :
Which of the following is the initial step towards good health?
Question 39 :
The product of which has been commercialised for lowering blood cholesterol.
Question 40 :
What would happen if oxygen availability to activated sludge flocs is reduced ?<br>
Question 41 :
Which of the following biomolecules can be analysed by ELISA test?
Question 44 :
A correction or alleviation of a genetic disorder by the introduction of a normal gene copy into an affected individual is called as
Question 45 :
In an experiment the gene of bioluminescence from firefly has been successfully transferred into a plant as a result of which it started to glow. In the terminology of the molecular genetics, the plant is called ___________.<br/>
Question 48 :
Which of the following techniques use radioactive precursors for observing metabolic activities of macromolecules?
Question 50 :
X technique is now routinely used to detect HIV in suspected AIDs patients. It is being used to detect mutations in genes in suspected cancer patients too. It is a powerful technique to identify many other genetic disorders. Identify X-
Question 51 :
Large unit of land having different types of plants and animals is known as
Question 52 :
Major ecological community of plants and animals extending over large natural area is known as<br>
Question 54 :
Which of the following does not have aeffect onthe forest ecosystem?<br>
Question 57 :
I. Temperature <br/>II. Humidity <br/>III. Vegetation <br/>The abiotic factors of ecosystem include
Question 63 :
Bacteria protect themselves from viruses by fragmenting viral DNA upon entry with _____________.<br/>
Question 66 :
Advancement in genetic engineering has been possible due to discovery of :
Question 69 :
Which of the following enzymes cut the DNAmolecule atspecific nucleotide sequence?
Question 70 :
Which of the following techniques can be used to introduce foreign DNA into the cell?
Question 74 :
Species going to be extinct due to low reproductive rate is<br/>
Question 75 :
India is one of the twelve megadiversity countries with ______ of genetic resources of the world.<br/>
Question 78 :
Who observed that within a region, species richness increased with increasing explored area but only upto a limit?<br/>
Question 81 :
Which layer is considered crucial for the existence of the ecosystems on the planet which is depleting due to increased pollution?<br/>
Question 82 :
Use of ________ in agricultural activities has grown quite a lot hazardous ammonia gases in the atmosphere.<br/>
Question 83 :
Measurement of rate of oxygen utilisation by a unit volume of water over a period of time is to measure
Question 84 :
Ozone exists in earth stratosphere and is responsible for protecting humans from harmful _______.
Question 86 : Measurement of the rate of oxygenconsumption in unit volumeof water over a period of time is done to find out<p></p>
Question 87 :
Vehicular standard based on European regulation was first introduced in .......... in India.
Question 88 :
When the level of contaminants in air becomes so much that air becomes harmful for living beings, it is called ________.
Question 89 :
Find the odd one out for the example of natural air pollutant.
